February 22, 2002August 2, 2026

Exhibit 719: National Pollutant Discharge Elimination System Discharge Monitoring Report — Port Of Seattle Sea-Tac Airport, Permit WA-002465-1, December 2001

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NPDES Discharge Monitoring Report (DMR) filed by Port Of Seattle for Sea-Tac Airport under permit WA-002465-1, discharge number 001, monitoring period December 1–31, 2001. Parameters reported include flow (max 4,500–4,800 gpm), pH, oil and grease, TSS, BOD5, total glycols, TPH, fecal coliform, priority pollutants, and SCAN results. Signed by Michael D. Feldman, Director of Aviation Facilities. Includes POS SeaTac Airport IWTP Water Processing Log for December 2001 showing daily average flow rates and volumes totaling 52,356,000 gallons. Submitted to Washington State Department of Ecology via Smith & Lowney. Document identifier AR 026472–AR 026474.

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As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.

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